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Simulating Trailer Separation

The release date for HVE Version 9.1 is December 18, 2012! One of the new technologies available in SIMON is the ability to predict trailer separation resulting from mechanical failure or collision forces/moments. The robust handling of the vehicles post-separation allows for detailed study of a trailer's free-rolling trajectory, roll-over and collisions with other objects.

The disconnection between the tow vehicle and trailer(s) occurs when the calculated force or torque at the connection reaches a user-defined limit condition. To edit the default properties of the connection, go to the Vehicle Editor and display the tow vehicle. Access the Sprung Mass menu by clicking on the CG of the vehicle and then select Connections. Under the section for Rear Connection, click the Properties button to display the Connection Properties dialog as shown to the right. Edit the default Breakway Force and Breakaway Torque values as required for your scenario.

This is just one of the new enhancements included in the next release of the HVE (Human-Vehicle-Environment) simulation software suite used by motor vehicle crash reconstructionists in over 30 countries. To learn more about HVE, HVE-2D or HVE-CSI Version 9.1, contact EDC or call 888.768.6216.

Engineering Dynamics Corporation
8625 Cascade Ave, Suite 200
Beaverton, OR 97008

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503.644.4500 Phone
503.526.0905 Fax

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